EP2980475A1 - Verfahren für den Schwachlastbetrieb einer Kraftwerksanlage mit Durchlaufkessel - Google Patents

Verfahren für den Schwachlastbetrieb einer Kraftwerksanlage mit Durchlaufkessel Download PDF

Info

Publication number
EP2980475A1
EP2980475A1 EP14179002.2A EP14179002A EP2980475A1 EP 2980475 A1 EP2980475 A1 EP 2980475A1 EP 14179002 A EP14179002 A EP 14179002A EP 2980475 A1 EP2980475 A1 EP 2980475A1
Authority
EP
European Patent Office
Prior art keywords
economizer
evaporator
temperature
once
boiler
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP14179002.2A
Other languages
English (en)
French (fr)
Inventor
Volker Schuele
Stephan Hellweg
Reinhard Leithner
Niels Brinkmeier
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
General Electric Technology GmbH
Original Assignee
Alstom Technology AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Alstom Technology AG filed Critical Alstom Technology AG
Priority to EP14179002.2A priority Critical patent/EP2980475A1/de
Priority to US14/807,216 priority patent/US10196939B2/en
Publication of EP2980475A1 publication Critical patent/EP2980475A1/de
Withdrawn legal-status Critical Current

Links

Images

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
    • F01K7/00—Steam engine plants characterised by the use of specific types of engine; Plants or engines characterised by their use of special steam systems, cycles or processes; Control means specially adapted for such systems, cycles or processes; Use of withdrawn or exhaust steam for feed-water heating
    • F01K7/34—Steam engine plants characterised by the use of specific types of engine; Plants or engines characterised by their use of special steam systems, cycles or processes; Control means specially adapted for such systems, cycles or processes; Use of withdrawn or exhaust steam for feed-water heating the engines being of extraction or non-condensing type; Use of steam for feed-water heating
    • F01K7/345—Control or safety-means particular thereto
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
    • F01K7/00—Steam engine plants characterised by the use of specific types of engine; Plants or engines characterised by their use of special steam systems, cycles or processes; Control means specially adapted for such systems, cycles or processes; Use of withdrawn or exhaust steam for feed-water heating
    • F01K7/16—Steam engine plants characterised by the use of specific types of engine; Plants or engines characterised by their use of special steam systems, cycles or processes; Control means specially adapted for such systems, cycles or processes; Use of withdrawn or exhaust steam for feed-water heating the engines being only of turbine type
    • F01K7/22—Steam engine plants characterised by the use of specific types of engine; Plants or engines characterised by their use of special steam systems, cycles or processes; Control means specially adapted for such systems, cycles or processes; Use of withdrawn or exhaust steam for feed-water heating the engines being only of turbine type the turbines having inter-stage steam heating
    • F01K7/24—Control or safety means specially adapted therefor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
    • F01K9/00—Plants characterised by condensers arranged or modified to co-operate with the engines
    • F01K9/02—Arrangements or modifications of condensate or air pumps
    • F01K9/023—Control thereof
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F22—STEAM GENERATION
    • F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
    • F22B29/00—Steam boilers of forced-flow type
    • F22B29/06—Steam boilers of forced-flow type of once-through type, i.e. built-up from tubes receiving water at one end and delivering superheated steam at the other end of the tubes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F22—STEAM GENERATION
    • F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
    • F22B35/00—Control systems for steam boilers
    • F22B35/06—Control systems for steam boilers for steam boilers of forced-flow type
    • F22B35/10—Control systems for steam boilers for steam boilers of forced-flow type of once-through type
    • F22B35/101—Control systems for steam boilers for steam boilers of forced-flow type of once-through type operating with superimposed recirculation during starting or low load periods, e.g. composite boilers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F22—STEAM GENERATION
    • F22D—PREHEATING, OR ACCUMULATING PREHEATED, FEED-WATER FOR STEAM GENERATION; FEED-WATER SUPPLY FOR STEAM GENERATION; CONTROLLING WATER LEVEL FOR STEAM GENERATION; AUXILIARY DEVICES FOR PROMOTING WATER CIRCULATION WITHIN STEAM BOILERS
    • F22D1/00—Feed-water heaters, i.e. economisers or like preheaters
    • F22D1/32—Feed-water heaters, i.e. economisers or like preheaters arranged to be heated by steam, e.g. bled from turbines

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Control Of Steam Boilers And Waste-Gas Boilers (AREA)
EP14179002.2A 2014-07-29 2014-07-29 Verfahren für den Schwachlastbetrieb einer Kraftwerksanlage mit Durchlaufkessel Withdrawn EP2980475A1 (de)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP14179002.2A EP2980475A1 (de) 2014-07-29 2014-07-29 Verfahren für den Schwachlastbetrieb einer Kraftwerksanlage mit Durchlaufkessel
US14/807,216 US10196939B2 (en) 2014-07-29 2015-07-23 Method for low load operation of a power plant with a once-through boiler

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP14179002.2A EP2980475A1 (de) 2014-07-29 2014-07-29 Verfahren für den Schwachlastbetrieb einer Kraftwerksanlage mit Durchlaufkessel

Publications (1)

Publication Number Publication Date
EP2980475A1 true EP2980475A1 (de) 2016-02-03

Family

ID=51225441

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14179002.2A Withdrawn EP2980475A1 (de) 2014-07-29 2014-07-29 Verfahren für den Schwachlastbetrieb einer Kraftwerksanlage mit Durchlaufkessel

Country Status (2)

Country Link
US (1) US10196939B2 (de)
EP (1) EP2980475A1 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20190203614A1 (en) * 2017-12-28 2019-07-04 Ge-Hitachi Nuclear Energy Americas Llc Systems and methods for steam reheat in power plants
JP6936207B2 (ja) * 2018-11-21 2021-09-15 三菱パワー株式会社 ボイラ装置
CN112065520B (zh) * 2020-09-11 2021-04-27 国电科学技术研究院有限公司 一种冷再和热再协同供汽系统及方法

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4003205A (en) * 1974-08-09 1977-01-18 Hitachi, Ltd. Method and apparatus for operating a steam turbine plant having feed water heaters
EP0195326A1 (de) * 1985-03-08 1986-09-24 Hitachi, Ltd. Verfahren und Apparat zum Schutz für einen Speisewasservorwärmer
DE102009036064A1 (de) * 2009-08-04 2011-02-10 Alstom Technology Ltd. Verfahren zum Betreiben eines mit einer Dampftemperatur von über 650°C operierenden Zwangdurchlaufdampferzeugers sowie Zwangdurchlaufdampferzeuger
EP2546476A1 (de) * 2011-07-14 2013-01-16 Siemens Aktiengesellschaft Dampfturbinenanlage und Verfahren zum Betreiben der Dampfturbinenanlage
EP2716880A1 (de) * 2012-10-05 2014-04-09 Alstom Technology Ltd Dampfkraftwerk mit Dampfturbinenentnahmesteuerung

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3550562A (en) * 1968-11-06 1970-12-29 Electrodyne Res Corp Control system for a steam generator
US4455614A (en) * 1973-09-21 1984-06-19 Westinghouse Electric Corp. Gas turbine and steam turbine combined cycle electric power generating plant having a coordinated and hybridized control system and an improved factory based method for making and testing combined cycle and other power plants and control systems therefor
DE3731627A1 (de) * 1987-09-19 1989-03-30 Klaus Prof Dr Ing Dr In Knizia Verfahren zur leistungsregelung eines kohlekombiblocks mit integrierter kohlevergasung und nach dem verfahren betriebenes kohlekraftwerk
US4909037A (en) * 1989-08-31 1990-03-20 General Signal Corporation Control system for once-through boilers
US5435138A (en) * 1994-02-14 1995-07-25 Westinghouse Electric Corp. Reduction in turbine/boiler thermal stress during bypass operation
US6782703B2 (en) * 2002-09-11 2004-08-31 Siemens Westinghouse Power Corporation Apparatus for starting a combined cycle power plant
JP5171479B2 (ja) * 2008-08-25 2013-03-27 バブコック日立株式会社 排煙脱硝装置
US8356484B2 (en) * 2009-05-01 2013-01-22 General Electric Company Hybrid Wobbe control during rapid response startup
EP2360545A1 (de) * 2010-02-15 2011-08-24 Siemens Aktiengesellschaft Verfahren zur Regelung eines Ventils
US9316122B2 (en) * 2010-12-20 2016-04-19 Invensys Systems, Inc. Feedwater heater control system for improved Rankine cycle power plant efficiency
GB201107702D0 (en) * 2011-05-10 2011-06-22 Rolls Royce Plc A steam injected gas turbine engine
JP6038448B2 (ja) * 2011-12-16 2016-12-07 三菱日立パワーシステムズ株式会社 太陽熱複合発電システム及び太陽熱複合発電方法
WO2013108216A2 (en) * 2012-01-17 2013-07-25 Alstom Technology Ltd Flow control devices and methods for a once-through horizontal evaporator
US9388978B1 (en) * 2012-12-21 2016-07-12 Mitsubishi Hitachi Power Systems Americas, Inc. Methods and systems for controlling gas temperatures
US9739478B2 (en) * 2013-02-05 2017-08-22 General Electric Company System and method for heat recovery steam generators
US9382848B2 (en) * 2013-03-15 2016-07-05 General Electric Company System and method for start-up of a combined cycle power plant

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4003205A (en) * 1974-08-09 1977-01-18 Hitachi, Ltd. Method and apparatus for operating a steam turbine plant having feed water heaters
EP0195326A1 (de) * 1985-03-08 1986-09-24 Hitachi, Ltd. Verfahren und Apparat zum Schutz für einen Speisewasservorwärmer
DE102009036064A1 (de) * 2009-08-04 2011-02-10 Alstom Technology Ltd. Verfahren zum Betreiben eines mit einer Dampftemperatur von über 650°C operierenden Zwangdurchlaufdampferzeugers sowie Zwangdurchlaufdampferzeuger
EP2546476A1 (de) * 2011-07-14 2013-01-16 Siemens Aktiengesellschaft Dampfturbinenanlage und Verfahren zum Betreiben der Dampfturbinenanlage
EP2716880A1 (de) * 2012-10-05 2014-04-09 Alstom Technology Ltd Dampfkraftwerk mit Dampfturbinenentnahmesteuerung

Also Published As

Publication number Publication date
US10196939B2 (en) 2019-02-05
US20160032784A1 (en) 2016-02-04

Similar Documents

Publication Publication Date Title
RU2538994C2 (ru) Способ эксплуатации прямоточного парогенератора, функционирующего при температуре пара более 650ос, и прямоточный парогенератор
US9593844B2 (en) Method for operating a waste heat steam generator
EP2067936B1 (de) Dampftemperaturkontrolle in einem Kesselsystem mit Aufwärmvariabeln
EP2395284B1 (de) Einschleifige Einspritzregelung
KR101813741B1 (ko) 폐열 증기 발생기
US10167743B2 (en) Method for controlling a steam generator and control circuit for a steam generator
JP5318880B2 (ja) 貫流ボイラの運転のための方法ならびに強制貫流ボイラ
KR101606293B1 (ko) 재순환식 폐열 증기 발생기의 작동 방법
US10196939B2 (en) Method for low load operation of a power plant with a once-through boiler
KR101822311B1 (ko) 폐열 증기 발생기 및 연료 예열부를 갖는 복합 화력 발전소
JP5591377B2 (ja) 蒸気ランキンプラント
JP5276973B2 (ja) 貫流式排熱回収ボイラ
KR20170023164A (ko) 보일러, 콤바인드 사이클 플랜트 및 보일러의 증기 냉각 방법
KR101960554B1 (ko) 관류형 증기 발생기의 작동 방법 및 상기 방법을 실행하기 위해 설계된 증기 발생기
DK2655811T3 (en) A method for controlling a transient increase in power a steam turbine
DK2567151T3 (en) A method of operating a steam generator
JP5183649B2 (ja) 貫流ボイラの強制冷却方法
WO2016096847A1 (en) System and method for fluid medium preheating
US10487696B2 (en) Method for the flexible operation of a power plant
DK2625390T3 (en) Fossil-fired steam generator
FI124799B (fi) Menetelmä höyrykattilajärjestelmän höyrykattilan ruiskutusveden virtauksen säätämiseksi, höyrykattilan ohjausjärjestelmä ja tietokoneohjelma.
JP2008304264A (ja) 原子力プラント及びその運転方法
Belyakov et al. Using thermal test data to determine the minimum load of a 200-MW power unit with a PK-47 boiler at the Zainsk power station

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

AX Request for extension of the european patent

Extension state: BA ME

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE

RAP1 Party data changed (applicant data changed or rights of an application transferred)

Owner name: GENERAL ELECTRIC TECHNOLOGY GMBH

17P Request for examination filed

Effective date: 20160803

RBV Designated contracting states (corrected)

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

RAP3 Party data changed (applicant data changed or rights of an application transferred)

Owner name: GENERAL ELECTRIC TECHNOLOGY GMBH

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: EXAMINATION IS IN PROGRESS

17Q First examination report despatched

Effective date: 20230731

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 20231212